<template>
  <div>
    <el-dialog :title="showTitle" :visible="showDialog" @close="close">
      <el-form ref="addDept" :model="formData" :rules="rules" label-width="120px">
        <el-form-item prop="name" label="部门名称">
          <el-input v-model="formData.name" placeholder="2-10个字符" style="width: 80%" size="mini" />
        </el-form-item>
        <el-form-item prop="code" label="部门编码">
          <el-input v-model="formData.code" placeholder="2-10个字符" style="width: 80%" size="mini" />
        </el-form-item>
        <el-form-item prop="managerId" label="部门负责人">
          <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 80%" size="mini">
            <el-option
              v-for="item in list"
              :key="item.id"
              :value="item.id"
              :label="item.username"
            />
          </el-select>
        </el-form-item>
        <el-form-item prop="introduce" label="部门介绍">
          <el-input
            v-model="formData.introduce"
            placeholder="1-100个字符"
            type="textarea"
            size="mini"
            :rows="4"
            style="width: 80%"
          />
        </el-form-item>

        <!-- 按钮 -->
        <el-row type="flex" justify="center">
          <el-button size="mini" type="primary" @click="btnOk">确定</el-button>
          <el-button size="mini" @click="close">取消</el-button>
        </el-row>
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import { getDpartment, updateDepartment, getManagerList, addDepartment, getDepartmentDetail } from '@/api/department'
export default {
  name: 'AddDept',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    currentId: {
      type: Number,
      default: null
    }
  },
  data() {
    return {
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id

      },
      list: [],
      rules: {
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur'
          },
          {
            trigger: 'blur', validator: async(rule, value, callback) => {
              const res = await getDpartment()
              // 思路 要进行判断
              if (res.some(item => item.id === value)) {
                callback(new Error('该部门号已有'))
              } else {
                callback()
              }
            }
          }
        ], // 部门编码
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' }, {
          min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur'
        }], // 部门介绍
        managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur'
          },
          {
            trigger: 'blur', validator: async(rule, value, callback) => {
              const res = await getDpartment()
              if (res.some(item => item.name === value)) {
                callback(new Error('该名字已存在'))
              } else {
                callback()
              }
            }
          }
        ] // 部门名称
        // pid: '' // 父级部门的id 不需要做校验
      }
    }
  },
  computed: {
    showTitle() {
      return this.formData.id ? '编辑部门' : '新增部门'
    }
  },
  created() {
    this.getManagerList()
  },
  methods: {
    close() {
      // 置空
      this.$options.data().formData
      this.$refs.addDept.resetFields()
      this.$emit('update:showDialog', false)
    },
    async getManagerList() {
      const res = await getManagerList()
      this.list = res
    },
    btnOk() {
      // 表单校验
      this.$refs.addDept.validate(async isOk => {
        if (isOk) {
          // 区分编辑还是添加
          let msg = '新增'
          if (this.formData.id) {
            msg = '更新'
            await updateDepartment(this.formData)
          } else {
            await addDepartment({
              ...this.formData, pid: this.currentId
            })
          }
          // 子组件要通知父组件更新
          this.$emit('updateDepat')
          this.$message.success(`${msg}成功`)
          // 调用关闭弹框方法
          this.close()
        }
      })
    },

    // 获取组织的详情
    async getDepartmentDetail() {
      this.formData = await getDepartmentDetail(this.currentId)
    }
  }
}
</script>

<style>

</style>
